the variable m varies directly w the square of n and inversely with the square root of p. When n=4 and p=16 then m=8. Write the equation which describes the relationship between m, n and p

The area of a rectangle is 10 cm^2. one side of the rectangle is x cm. express the perimeter of the rectangle in terms of x and show that this rectangle cannot have a perimeter of 12 cm. the perimeter of the rectangle in terms of x is __ cm